User Portlet User Portlet

Discussions
Just a quick one, any idea if there is a quicker way to import large list files? For instance, i have a 5 column list file, around 20mb, and I want to import only the 2nd and 3rd columns into mathematica to plot. I've tried import, but it runs for...
Thanks, I just had a brainwave though! Basically just used
Thanks for the reply! Is there any chance you could explain some of the terms in the part of the code that reads: pointsInR[points : {{_, _} ..}, r_ /; r > 0] := Select[points, Sqrt[#.#]